Home / 347,003,999.60-520,505,999.40-152,815,458.20

Finding the Fourth Proportional to 347,003,999.60, 520,505,999.40 and 152,815,458.20

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Solution

The fourth proportional to 347,003,999.60, 520,505,999.40 and 152,815,458.20 is: 229,223,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,003,999.60 : 520,505,999.40 = 152,815,458.20 : x
  2. Step 2: Convert to fraction form
    347,003,999.60/520,505,999.40 = 152,815,458.20/x
  3. Step 3: Cross multiply
    347,003,999.60x = 520,505,999.40 × 152,815,458.20
  4. Step 4: Simplify right side
    347,003,999.60x = 79,541,362,794,159,920
  5. Step 5: Solve for x
    x = 79,541,362,794,159,920/347,003,999.60
  6. Step 6: Final answer
    x = 229,223,187.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.